1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__SPARC_PTRACE_H
3 #define _UAPI__SPARC_PTRACE_H
4
5 #if defined(__sparc__) && defined(__arch64__)
6 /* 64 bit sparc */
7 #include <asm/pstate.h>
8
9 /* This struct defines the way the registers are stored on the
10 * stack during a system call and basically all traps.
11 */
12
13 /* This magic value must have the low 9 bits clear,
14 * as that is where we encode the %tt value, see below.
15 */
16 #define PT_REGS_MAGIC 0x57ac6c00
17
18 #ifndef __ASSEMBLY__
19
20 #include <linux/types.h>
21
22 struct pt_regs {
23 unsigned long u_regs[16]; /* globals and ins */
24 unsigned long tstate;
25 unsigned long tpc;
26 unsigned long tnpc;
27 unsigned int y;
28
29 /* We encode a magic number, PT_REGS_MAGIC, along
30 * with the %tt (trap type) register value at trap
31 * entry time. The magic number allows us to identify
32 * accurately a trap stack frame in the stack
33 * unwinder, and the %tt value allows us to test
34 * things like "in a system call" etc. for an arbitray
35 * process.
36 *
37 * The PT_REGS_MAGIC is chosen such that it can be
38 * loaded completely using just a sethi instruction.
39 */
40 unsigned int magic;
41 };
42
43 struct pt_regs32 {
44 unsigned int psr;
45 unsigned int pc;
46 unsigned int npc;
47 unsigned int y;
48 unsigned int u_regs[16]; /* globals and ins */
49 };
50
51 /* A V9 register window */
52 struct reg_window {
53 unsigned long locals[8];
54 unsigned long ins[8];
55 };
56
57 /* A 32-bit register window. */
58 struct reg_window32 {
59 unsigned int locals[8];
60 unsigned int ins[8];
61 };
62
63 /* A V9 Sparc stack frame */
64 struct sparc_stackf {
65 unsigned long locals[8];
66 unsigned long ins[6];
67 struct sparc_stackf *fp;
68 unsigned long callers_pc;
69 char *structptr;
70 unsigned long xargs[6];
71 unsigned long xxargs[1];
72 };
73
74 /* A 32-bit Sparc stack frame */
75 struct sparc_stackf32 {
76 unsigned int locals[8];
77 unsigned int ins[6];
78 unsigned int fp;
79 unsigned int callers_pc;
80 unsigned int structptr;
81 unsigned int xargs[6];
82 unsigned int xxargs[1];
83 };
84
85 struct sparc_trapf {
86 unsigned long locals[8];
87 unsigned long ins[8];
88 unsigned long _unused;
89 struct pt_regs *regs;
90 };
91 #endif /* (!__ASSEMBLY__) */
92 #else
93 /* 32 bit sparc */
94
95 #include <asm/psr.h>
96
97 /* This struct defines the way the registers are stored on the
98 * stack during a system call and basically all traps.
99 */
100 #ifndef __ASSEMBLY__
101
102 #include <linux/types.h>
103
104 struct pt_regs {
105 unsigned long psr;
106 unsigned long pc;
107 unsigned long npc;
108 unsigned long y;
109 unsigned long u_regs[16]; /* globals and ins */
110 };
111
112 /* A 32-bit register window. */
113 struct reg_window32 {
114 unsigned long locals[8];
115 unsigned long ins[8];
116 };
117
118 /* A Sparc stack frame */
119 struct sparc_stackf {
120 unsigned long locals[8];
121 unsigned long ins[6];
122 struct sparc_stackf *fp;
123 unsigned long callers_pc;
124 char *structptr;
125 unsigned long xargs[6];
126 unsigned long xxargs[1];
127 };
128 #endif /* (!__ASSEMBLY__) */
129
130 #endif /* (defined(__sparc__) && defined(__arch64__))*/
131
132 #ifndef __ASSEMBLY__
133
134 #define TRACEREG_SZ sizeof(struct pt_regs)
135 #define STACKFRAME_SZ sizeof(struct sparc_stackf)
136
137 #define TRACEREG32_SZ sizeof(struct pt_regs32)
138 #define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
139
140 #endif /* (!__ASSEMBLY__) */
141
142 #define UREG_G0 0
143 #define UREG_G1 1
144 #define UREG_G2 2
145 #define UREG_G3 3
146 #define UREG_G4 4
147 #define UREG_G5 5
148 #define UREG_G6 6
149 #define UREG_G7 7
150 #define UREG_I0 8
151 #define UREG_I1 9
152 #define UREG_I2 10
153 #define UREG_I3 11
154 #define UREG_I4 12
155 #define UREG_I5 13
156 #define UREG_I6 14
157 #define UREG_I7 15
158 #define UREG_FP UREG_I6
159 #define UREG_RETPC UREG_I7
160
161 #if defined(__sparc__) && defined(__arch64__)
162 /* 64 bit sparc */
163
164 #ifndef __ASSEMBLY__
165
166
167 #else /* __ASSEMBLY__ */
168 /* For assembly code. */
169 #define TRACEREG_SZ 0xa0
170 #define STACKFRAME_SZ 0xc0
171
172 #define TRACEREG32_SZ 0x50
173 #define STACKFRAME32_SZ 0x60
174 #endif /* __ASSEMBLY__ */
175
176 #else /* (defined(__sparc__) && defined(__arch64__)) */
177
178 /* 32 bit sparc */
179
180 #ifndef __ASSEMBLY__
181
182
183 #else /* (!__ASSEMBLY__) */
184 /* For assembly code. */
185 #define TRACEREG_SZ 0x50
186 #define STACKFRAME_SZ 0x60
187 #endif /* (!__ASSEMBLY__) */
188
189 #endif /* (defined(__sparc__) && defined(__arch64__)) */
190
191
192 /* These are for pt_regs. */
193 #define PT_V9_G0 0x00
194 #define PT_V9_G1 0x08
195 #define PT_V9_G2 0x10
196 #define PT_V9_G3 0x18
197 #define PT_V9_G4 0x20
198 #define PT_V9_G5 0x28
199 #define PT_V9_G6 0x30
200 #define PT_V9_G7 0x38
201 #define PT_V9_I0 0x40
202 #define PT_V9_I1 0x48
203 #define PT_V9_I2 0x50
204 #define PT_V9_I3 0x58
205 #define PT_V9_I4 0x60
206 #define PT_V9_I5 0x68
207 #define PT_V9_I6 0x70
208 #define PT_V9_FP PT_V9_I6
209 #define PT_V9_I7 0x78
210 #define PT_V9_TSTATE 0x80
211 #define PT_V9_TPC 0x88
212 #define PT_V9_TNPC 0x90
213 #define PT_V9_Y 0x98
214 #define PT_V9_MAGIC 0x9c
215 #define PT_TSTATE PT_V9_TSTATE
216 #define PT_TPC PT_V9_TPC
217 #define PT_TNPC PT_V9_TNPC
218
219 /* These for pt_regs32. */
220 #define PT_PSR 0x0
221 #define PT_PC 0x4
222 #define PT_NPC 0x8
223 #define PT_Y 0xc
224 #define PT_G0 0x10
225 #define PT_WIM PT_G0
226 #define PT_G1 0x14
227 #define PT_G2 0x18
228 #define PT_G3 0x1c
229 #define PT_G4 0x20
230 #define PT_G5 0x24
231 #define PT_G6 0x28
232 #define PT_G7 0x2c
233 #define PT_I0 0x30
234 #define PT_I1 0x34
235 #define PT_I2 0x38
236 #define PT_I3 0x3c
237 #define PT_I4 0x40
238 #define PT_I5 0x44
239 #define PT_I6 0x48
240 #define PT_FP PT_I6
241 #define PT_I7 0x4c
242
243 /* Reg_window offsets */
244 #define RW_V9_L0 0x00
245 #define RW_V9_L1 0x08
246 #define RW_V9_L2 0x10
247 #define RW_V9_L3 0x18
248 #define RW_V9_L4 0x20
249 #define RW_V9_L5 0x28
250 #define RW_V9_L6 0x30
251 #define RW_V9_L7 0x38
252 #define RW_V9_I0 0x40
253 #define RW_V9_I1 0x48
254 #define RW_V9_I2 0x50
255 #define RW_V9_I3 0x58
256 #define RW_V9_I4 0x60
257 #define RW_V9_I5 0x68
258 #define RW_V9_I6 0x70
259 #define RW_V9_I7 0x78
260
261 #define RW_L0 0x00
262 #define RW_L1 0x04
263 #define RW_L2 0x08
264 #define RW_L3 0x0c
265 #define RW_L4 0x10
266 #define RW_L5 0x14
267 #define RW_L6 0x18
268 #define RW_L7 0x1c
269 #define RW_I0 0x20
270 #define RW_I1 0x24
271 #define RW_I2 0x28
272 #define RW_I3 0x2c
273 #define RW_I4 0x30
274 #define RW_I5 0x34
275 #define RW_I6 0x38
276 #define RW_I7 0x3c
277
278 /* Stack_frame offsets */
279 #define SF_V9_L0 0x00
280 #define SF_V9_L1 0x08
281 #define SF_V9_L2 0x10
282 #define SF_V9_L3 0x18
283 #define SF_V9_L4 0x20
284 #define SF_V9_L5 0x28
285 #define SF_V9_L6 0x30
286 #define SF_V9_L7 0x38
287 #define SF_V9_I0 0x40
288 #define SF_V9_I1 0x48
289 #define SF_V9_I2 0x50
290 #define SF_V9_I3 0x58
291 #define SF_V9_I4 0x60
292 #define SF_V9_I5 0x68
293 #define SF_V9_FP 0x70
294 #define SF_V9_PC 0x78
295 #define SF_V9_RETP 0x80
296 #define SF_V9_XARG0 0x88
297 #define SF_V9_XARG1 0x90
298 #define SF_V9_XARG2 0x98
299 #define SF_V9_XARG3 0xa0
300 #define SF_V9_XARG4 0xa8
301 #define SF_V9_XARG5 0xb0
302 #define SF_V9_XXARG 0xb8
303
304 #define SF_L0 0x00
305 #define SF_L1 0x04
306 #define SF_L2 0x08
307 #define SF_L3 0x0c
308 #define SF_L4 0x10
309 #define SF_L5 0x14
310 #define SF_L6 0x18
311 #define SF_L7 0x1c
312 #define SF_I0 0x20
313 #define SF_I1 0x24
314 #define SF_I2 0x28
315 #define SF_I3 0x2c
316 #define SF_I4 0x30
317 #define SF_I5 0x34
318 #define SF_FP 0x38
319 #define SF_PC 0x3c
320 #define SF_RETP 0x40
321 #define SF_XARG0 0x44
322 #define SF_XARG1 0x48
323 #define SF_XARG2 0x4c
324 #define SF_XARG3 0x50
325 #define SF_XARG4 0x54
326 #define SF_XARG5 0x58
327 #define SF_XXARG 0x5c
328
329
330 /* Stuff for the ptrace system call */
331 #define PTRACE_SPARC_DETACH 11
332 #define PTRACE_GETREGS 12
333 #define PTRACE_SETREGS 13
334 #define PTRACE_GETFPREGS 14
335 #define PTRACE_SETFPREGS 15
336 #define PTRACE_READDATA 16
337 #define PTRACE_WRITEDATA 17
338 #define PTRACE_READTEXT 18
339 #define PTRACE_WRITETEXT 19
340 #define PTRACE_GETFPAREGS 20
341 #define PTRACE_SETFPAREGS 21
342
343 /* There are for debugging 64-bit processes, either from a 32 or 64 bit
344 * parent. Thus their complements are for debugging 32-bit processes only.
345 */
346
347 #define PTRACE_GETREGS64 22
348 #define PTRACE_SETREGS64 23
349 /* PTRACE_SYSCALL is 24 */
350 #define PTRACE_GETFPREGS64 25
351 #define PTRACE_SETFPREGS64 26
352
353 #endif /* _UAPI__SPARC_PTRACE_H */
354
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